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/sci/ - Science & Math

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>> No.11282872 [View]
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11282872

>>11282854
Here's your context. They got [math]r= \frac{2}{5} h[/math] from the figure, and then I plugged in [math]h=6[/math] to find r and got [math]r= \frac{12}{5}[/math] . Then I substituted that value for r before differentiating and it wouldn't work.

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